18409867

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3943}}^1$

素因数の和:4002

約数の個数: 16

約数和(自身を含む): 22717440

約数和(自身を除く): 4307573

約数列:

[1, 7, 23, 29, 161, 203, 667, 3943, 4669, 27601, 90689, 114347, 634823, 800429, 2629981, 18409867]

約数ペア:

[(1, 18409867), (7, 2629981), (23, 800429), (29, 634823), (161, 114347), (203, 90689), (667, 27601), (3943, 4669)]